Giant RESIDENTIAL DIRECT VENT GAS-FIRED WATER HEATERS Installation And Operating Instructions Manual

Residential direct vent gas-fired water heaters

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RESIDENTIAL DIRECT VENT GAS-FIRED WATER HEATERS OWNER'S MANUAL
INSTALLATION AND OPERATING INSTRUCTIONS
READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING THE INSTALLATION. PROPER
INSTALLATION WILL PROVIDE SAFE AND EFFICIENT SERVICE, AND AVOID NEEDLESS EXPENSE NOT
COVERED BY THE WARRANTY. READ THE PRODUCT WARRANTY CONTAINED IN THIS MANUAL AND
REMEMBER TO FILL OUT AND RETURN TO THE MANUFACTURER ALL RELEVANT WARRANTY CARDS
AND CERTIFICATES. SHOULD YOU HAVE ANY QUESTIONS, PLEASE CONTACT YOUR LOCAL DEALER OR
REFER TO THE GETTING SERVICE FOR YOUR WATER HEATER SECTION OF THIS MANUAL.
SAVE THIS MANUAL FOR FUTURE REFERENCES.
For your records, write the model and serial number here:
Model # ____________________________
Serial # ____________________________
54000013
© 2011 Giant Factories Inc. Printed in Canada
(MEET THE FVIR TECHNOLOGY STANDARDS)
IMPORTANT
WARNING
This water heater IS NOT design certified for
installation in a manufactured (mobile) home or
for installation outdoors.
WARNING
If the information in these instructions is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury, or death.
DO NOT store or use gasoline or other
flammable vapours and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• DO NOT try to light any appliance.
• DO NOT touch any electrical switch,
DO NOT use any phone in your building.
• From a neighbour's phone, immediately
call your gas supplier. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier, call the
fire department.
Installation and service must be performed by
a qualified installer, service agency, or the gas
supplier.
ISO 9001
REGISTRED
GI-IM018En-1011

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Summary of Contents for Giant RESIDENTIAL DIRECT VENT GAS-FIRED WATER HEATERS

  • Page 1 RESIDENTIAL DIRECT VENT GAS-FIRED WATER HEATERS OWNER’S MANUAL (MEET THE FVIR TECHNOLOGY STANDARDS) INSTALLATION AND OPERATING INSTRUCTIONS WARNING This water heater IS NOT design certified for installation in a manufactured (mobile) home or for installation outdoors. WARNING If the information in these instructions is not...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safety Information ...............2 Installation Instructions .
  • Page 3: Safety Information

    SAFETY INFORMATION Your safety and the safety of others is extremely important during the installation, operation, and servicing of this water heater. Many safety related messages have been provided in this manual and on your water heater. Always read and obey all safety messages. These messages will point out the potential hazard, tell you how to reduce the risk of injury, and tell you what will happen if the instructions are not followed.
  • Page 4: Installation Instructions

    INSTALLATION INSTRUCTIONS IMPORTANT These instructions have been written as a guide for the proper installation and operation of your water heater, and the manufacturer of this water heater will not accept any liability where these instructions have not been followed. However, for your safety and to avoid damage caused by improper installation, this water heater must be installed by a Certified Licensed Professional, and meet all local codes or, in the absence of local codes, CAN/CSA B149.1, Natural Gas and Propane Gas Installation Code, in Canada, and/or the National Fuel Gas Code, ANSI...
  • Page 5: Co-Axial Flexible Vent Pipe Kit (Vent Kit)

    INSTALLATION INSTRUCTIONS Figure 1 1'' min. around 18'' min. 18'' min. 18'' min. 4'' min. 12'' min. 2'' min. Grade Line 2'' min. 2'' min. 4'' min. 0'' min. 4'' min. from degradation by flue gases from the vent Vent Kit Installation termination.
  • Page 6 INSTALLATION INSTRUCTIONS Figure 2 The Vent Termination must have a : Canadian Installations US Installations A) Clearance above grade, veranda, porch, deck, or balcony 12 inches (30 cm) 12 inches (30 cm) B) Clearance to window or door that may be opened. 12 inches (30 cm) 9 inches (23 cm) C) Clearance to outside corner...
  • Page 7 INSTALLATION INSTRUCTIONS Figure 3 Amax Amin Bmax Bmin SETUP #1 SETUP #2 SETUP #3 SETUP #4 Max. 90'' Min. 76'' Max. 90'' Max. 98'' Max. 90'' Min. 76'' Max. 72'' Min. 76'' Max. 28'' Min. 26'' Max. 144'' Min. 26'' Min.
  • Page 8 INSTALLATION INSTRUCTIONS Figure 3c Wall Anchor (4) MAXIMUM CURVATURE OF 90˚ Back Plate Anchor Screw #10 x 1'' (4) Figure 5 Wall Anchor (4) Outer Wall 7) Use metal hangers to keep the horizontal runs of Mounting Plate flexible pipe with a minimum rise of 1/4 inch/foot (21 mm/m) from the water heater to the termination Termination Kit kit (see figure 8).
  • Page 9: Water Piping

    INSTALLATION INSTRUCTIONS Water Piping WARNING Refer to Figure 9 for a typical installation. Use of this layout should provide a trouble-free installation for the DO NOT plug the temperature and pressure- life of the water heater. Before making the plumbing relief valve or its discharge line.
  • Page 10: Filling The Water Heater

    INSTALLATION INSTRUCTIONS If the cold water supply line has a built-in water 1) Make sure that the water heater drain valve is meter, check valve, or pressure-reducing valve, a closed by inserting a flat head screwdriver into the suitable expansion tank must be installed to prevent slot on the head of the drain valve and turning the pressure build-up...
  • Page 11: Gas Connections

    INSTALLATION INSTRUCTIONS Gas Connections valve must be disconnected from the gas supply piping system, and the end of the pipe sealed with a WARNING female cap. If the testing is to be undertaken at a test pressure less than 1/2 psi (3.5 kPa), the gas supply DO NOT attempt to use this water heater with manual shut-off valve must be closed.
  • Page 12 INSTALLATION INSTRUCTIONS 7) Before acquisition of a water heater for space heating application, it is necessary to have the area of intended use sized by a qualified technician. This will ensure that an adequate water heating capacity will be available for both heating and potable water supply, and that the application will meet all local codes and public utility requirements.
  • Page 13: Installation Checklist

    INSTALLATION INSTRUCTIONS Installation Checklist Location • Is the water heater located within the venting requirements and close to the main use of hot water? ..L • Is the water heater protected from freezing temperatures? ........L •...
  • Page 14: Operating Instructions

    OPERATING INSTRUCTIONS Lighting the Water Heater WARNING Before lighting or re-lighting your DO NOT light this water heater if: water heater, make sure that you • It is not full of water. have read and understood all of the instructions and warnings in this •...
  • Page 15: Water Temperature Regulation

    OPERATING INSTRUCTIONS Water Temperature Regulation this reference mark indicates a temperature change of approximately 10°F (6°C). When hot water is drawn from the tank in frequent short bursts, a condition known as “stack- ing” is created. “Stacking” is the result of increased cycling of the burner and can produce very hot water temperatures at the hot water outlet.
  • Page 16: General Maintenance

    GENERAL MAINTENANCE Housekeeping WARNING WARNING DO NOT remove the inner access door at any DO NOT store or use gasoline or other time. If the combustion chamber must be flammable vapours and liquids around the water accessed to clean the burner assembly , a quali- heater.
  • Page 17: Draining The Water Heater

    GENERAL MAINTENANCE the water, producing discoloured or smelly water. Vacation The most common complaint is hot water that smells If you are planning a vacation or other prolonged like rotten eggs. This phenomenon is the result of the absence, it is highly recommended to shut off the reaction between the anode and hydrogen sulfide gas supply and the cold water supply to the water gas dissolved in the water, which occurs frequently...
  • Page 18: Replacement Parts

    REPLACEMENT PARTS I.D. Description Piezo igniter Gas control valve Pilot/thermocouple assembly Burner assembly Inner access door kit Outer access door Brass dain valve Overflow tube Dip tube Magnesium anode rod Temperature & pressure relief valve Outlet nipple Flue baffle Flue reducer Complete vent kit Flexible vent pipe ®...
  • Page 19: Troubleshooting Guide

    TROUBLESHOOTING GUIDE CONDITION CAUSE REMEDY The burner will not ignite. No gas. Check with gas utility company. Dirt in gas line. Notify utility. Install drip leg in gas line. Pilot line clogged. Clean. Check for source of trouble and correct. Main burner line clogged.
  • Page 20 TROUBLESHOOTING GUIDE CONDITION CAUSE REMEDY Insufficient hot water. Low gas pressure. Check with gas utility company. Wrong piping connections. Correct piping, dip tube must be in cold inlet. Sediment or lime in tank. Drain. Check to see if water treatment is necessary. Water heater is undersized.
  • Page 21 TROUBLESHOOTING GUIDE CONDITION CAUSE REMEDY Condensation. Water heater filled for first time. Let water heater warm up. Problem should go away. If it persists, check all plumbing connections for leaks. Heavy draws of hot water with Let water heater warm up. Problem should go away. very cold refill water.

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